Something that takes up space and has mass.
What is matter?
The measurement that will be the same on Earth as it is on the Moon.
What is mass?
A characteristic of a material that you can observe without changing the substance.
What is a physical property?
This measurement would be different on the Earth than on the Moon.
What is weight?
A type of matter that is not a pure substance.
What is a mixture?
This is what air is.
What is matter?
A characteristic of a substance that indicates whether it can undergo a certain chemical change.
What is chemical property?
The smallest particle of a compound that possesses all the properties of that compound. (Ex: smallest particle of water).
What is a molecule?
The basic building block of matter, which is made up of the same type of atoms.
What is an element?
The force that holds atoms together.
What is a chemical bond?
The starting materials in a chemical reaction are called this.
What are reactants?